4 apps to block spam on your smartphone

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If you use technology, you've received spam. Not only is it annoying, but it can contain malicious links and viruses. And it isn't just for computers anymore. Mobile gadgets get email and text messaging spam as well.

To stop the spam, you need a good spam filter. That's why I've rounded up the best spam filter apps just for you.

Please keep in mind that Apple's upcoming iOS 7 has built-in call blocking. You can turn it on by going to Settings>>Phone>>Blocked>> Add New>> then select or add the number to block. This will block them from phone calls, text messages and FaceTime.

SpamDrain - This app deletes spam before it even reaches your inbox. It's a cloud-based affair, so you can use it with multiple devices. You can also set it up to monitor multiple accounts.

Privacy Star - This app will let you block an unlimited amount of calls and texts. It also provides a handy caller ID feature.

Call Bliss - With Call Bliss, you can make sure that calls you don't want won't bother you. All you need to do is set up a blacklist from within the app. Once your blacklist is set up, whenever someone from the blacklist calls you, your phone won't ring.